Samsung Electronics Co., Ltd.

Vutha Va

Boon Loong Ng

Jianhua Mo

Anum Ali

Wenxun Qiu

Khuong N Nguyen

Pengda Huang

Mandar Narsinh Kulkarni

Priyabrata Parida

Abhishek Sehgal

Ahmad AlAmmouri

Saifeng Ni

Kuldeep Gill

Hongbo Si

Sungchul Park

Junsu Choi

Dalin Zhu

Daehee Park

Yuqiang Heng

An electronic device includes a transceiver configured to transmit and receive radar signals and a processor operatively coupled to the transceiver. The processor is configured to identify, based on the received radar signals, a plurality of radar frames related to an activity of a target. The processor is further configured to extract a plurality of features from the plurality of radar frames, compute burst attributes for the extracted features, predict a gesture based on the burst attributes, determine whether the predicted gesture is a valid gesture, and if the predicted gesture is a valid gesture, perform an action corresponding to the predicted gesture.

Burst-based non-gesture rejection in a micro-gesture recognition system

A method for exposure level estimation, includes transmitting radar signals for object detection and communication signals for wireless communication operations. The method also includes identifying a location of an object relative to the electronic device within a first time duration based on the radar signals, the first time duration including a previous time until a current time. The method further includes determining a radio frequency (RF) exposure measurement associated with the object based on the location of the object over the first time duration. Additionally, the method includes determining a power density budget over a second time duration based on a comparison of the RF exposure measurement to an RF exposure threshold, the second time duration including the current time until a future time. The method also includes modifying the wireless communication operations for the second time duration based on the power density budget.

Radio frequency exposure estimation with radar for mobile devices

A method for allocating power of an electronic device, includes generating a power budget indicating an amount of available power for signal transmission and reception. The method also includes determining whether to prioritize communication signals or radar signals for allocating the available power of a battery. In response to a determination to prioritize the communication signals, the method includes allocating a first portion of the available power for the communication signals and a second portion of the of the available power for the radar signals. In response to a determination to prioritize the radar signals, the method includes allocating the first portion of the available power for the radar signals and the second portion of the of the available power for the communication signals. The method further includes transmitting the communication signals and the radar signals based on the allocation.

Onboard sensor assisted power allocation for radar and communication on mobile devices

A method includes obtaining a first set of signal quality measurements (SQMs) from among a plurality of reference signals received at an electronic device. The SQMs correspond to reference signals, respectively. The reference signals correspond to candidate time slots (CTS), respectively. The method includes identifying a first set of reference signals in the plurality of reference signals based on the first set of SQMs satisfying a first quality condition. The method includes identifying a second set of reference signals in the plurality of reference signals based on the first set of SQMs satisfying a second quality condition. The method includes identifying, as first CTS for an electronic device to use for a radar operation, candidate time slots corresponding to the first set of reference signals. The method includes identifying, as second CTSs for the electronic device to use for wireless communication, CTSs corresponding to the second set of reference signals.

Utilization of wireless communication reference signal measurement resources for co-channel radar operation

A method for localization includes obtaining a request to localize an electronic device within an area, wherein the area includes a set of anchors. The method also includes transmitting a first message to the electronic device and a second message to the set of anchors. the first message includes a time for the electronic device to transmit a measurement signal and the second message includes the time for the set of anchors to receive the measurement signal from the electronic device. The method further includes receiving, from the set of anchors, signal information associated with the measurement signal. Additionally, the method includes identifying a location of the electronic device within the area based on the signal information. The method also includes transmitting, to the electronic device, the location of the electronic device within the area.

Method and apparatus for in-house RF-based collaborative localization with automated data collection

A method for managing a maximum permissible exposure (MPE) limit that corresponds to a time window is provided. The method includes estimating, based on radar detection information and transmission history information, a previous radio frequency exposure (RFE) for a target that occurred during a previous time period of the time window. The method includes predicting a future RFE on the target to occur during a future time period of the time window such that a sum of the estimated previous RFE and the predicted future RFE does not exceed the MPE limit for the time window. The method includes determining, based on the predicted future RFE, a transmission power budget for a transceiver of an electronic device for transmission during the future time period.

Method and apparatus for determining transmit power budget for managing RF exposure of mobile devices using radar sensing

A method includes obtaining a gesture sample via a gesture classifier. The gesture sample includes parameters of features extracted from the radar signals based on user motion in performance of a gesture. The method includes determining whether to obtain feedback for a target gesture associated with the gesture sample. The method includes in response to a determination to obtain the feedback, obtaining the feedback for the target gesture. The feedback includes a label indicating a type of gesture. The method includes determining whether the gesture sample associated with the label is valid based on comparison to a dataset of pre-existing validated gesture samples and a distance threshold. The method includes in response to determining that the gesture sample associated with the label is valid, determining whether to update a model for the gesture classifier using the validated gesture sample as a training sample.

Robustifying radar-based gesture recognition solution using contextual information

A method includes obtaining configuration information for a radio interface between an electronic device and a base station. The method includes determining uplink transmission information based on the obtained configuration information. The uplink transmission information includes: an indication of one or more types of uplink channels in a plurality of communication time slots (CTSs) of the radio interface; a transmission start time for each of the one or more types of uplink channels; and a transmission duration for each of the one or more types of uplink channels. The method includes, for one or more of the plurality of CTSs: determining, based on the transmission start time, whether the one or more CTSs on the radio interface is occupied; and in response to a determination that the one or more CTSs on the radio interface is not occupied, performing radar operations during a remainder of the transmission duration.

Over-the-air coordination of radar and wireless communication systems on a terminal

A method includes transmitting, via a transceiver, radar signals for object detection. The method includes determining whether a moving object is detected using received reflections of the radar signals corresponding to a current radar frame. In response to a determination that no moving object is detected using the current radar frame, the method includes determining whether a moving object is detected using received reflections of the radar signals corresponding to multiple radar frames. The method also includes generating a detection result indicating that (i) no moving object is detected using the multiple radar frames or (ii) the moving object is detected using either the current radar frame or the multiple radar frames.

Multi-frame radar processing for robust body part detection for mobile devices

A method for radar full blockage detection includes transmitting, via a transceiver, radar signals for object detection. The method also includes determining whether an object is detected within a first threshold distance based on reflections of the radar signals that are received. In response to a determination that the object is detected within the first threshold distance, the method includes determining whether the object is detected beyond a second threshold distance, based on the reflections of the radar signals. The second threshold distance is further away from the electronic device than the first threshold distance. In response to determining that the object is within the first threshold distance and not detected beyond the second threshold distance, the method includes determining that the transceiver is fully blocked by the object. upon a determination that the transceiver is fully blocked, the method includes modifying a wireless communication operation associated with the transceiver.

Radar for full-blockage detection of radio frequency modules in mobile devices

A method performed by a user equipment (UE) includes obtaining UE side information. The method includes, based on the obtained UE side information, detecting a service type of an application executing on the UE and estimating a supportable throughput. The method includes determining a UE-preferred configuration based on the detected service type and the estimated supportable throughput. The method includes determining whether the UE-preferred configuration is different from a current UE configuration. The method includes controlling transmission of the UE-preferred configuration to an external network device, based on a result of the determination of whether the UE-preferred configuration is different from the current UE configuration.

Methods and apparatus for UE power saving using side information at the UE

An electronic device includes a processor operably connected to a radar transceiver. The processor is configured to transmit, via the radar transceiver, radar signals to detect an object. The processor is also configured to detect the object using a single radar frame or multiple radar frames from the radar signals. The processor is further configured to determine whether to use the single radar frame or the multiple radar frames based on motion of the object for angle identification between the object and the electronic device. Additionally, the processor is configured to identify the angle using the single radar frame based on a determination to use the single radar frame or the multiple radar frames based on a determination to use the multiple radar frames. The processor is also configured to modify radio frequency exposure levels based on the angle of the object relative to the electronic device.

Angle estimation with multi-frame processing for radar on mobile devices

A method and a wireless communication device for managing activation of radar modules in the device are disclosed herein. The device comprises a plurality of wireless communication modules, a plurality of radar modules, and a processor. The wireless communication modules comprise one or more antennas that are configured to transmit and receive wireless communication signals, and the radar modules comprise one or more antennas that are configured to transmit and receive radar signals. The processor is configured to determine which of the wireless communication modules are active, obtain spatial information comprising spatial positions within the device of the wireless communication modules and the radar modules, determine one or more transmission characteristics of the active wireless communication modules and the radar modules, determine a set of the plurality of radar modules to activate based on the spatial information and the transmission characteristics, and activate the determined set of radar modules.

Method and apparatus for multi panel radar operation

A method and electronic device for determining relevant signals in radar signal processing. The electronic device includes a radar transceiver, a memory, and a processor. The processor is configured to cause the electronic device to obtain, via the radar transceiver of the electronic device, radar measurements for one or more modes in a set of modes; process the radar measurements to obtain a set of radar images; identify relevant signals in the set of radar images based on signal determination criteria for an application; and perform the application using only the relevant signals.

Determining relevant gesture signals using multi-dimensional radar signals

A method for operating an electronic device comprises obtaining information about signal quality measurements associated with a channel; generating newly obtained signal quality measurements based on a beam-sweeping procedure, wherein each signal quality measurement is associated with a respective measurement time and a respective transmit beam; adjusting the newly obtained signal quality measurements based on the measurement times and positional information of the electronic device; and updating a first measurement database of signal quality measurements with the adjusted signal quality measurements.

Growing community of inventors

Plano, TX, United States of America

Vutha Va